diff --git a/apps/showcase/testing/jest.config.ut.js b/apps/showcase/testing/jest.config.ut.js
index f41c7a6fc3..de8c6d5297 100644
--- a/apps/showcase/testing/jest.config.ut.js
+++ b/apps/showcase/testing/jest.config.ut.js
@@ -9,5 +9,9 @@ module.exports = {
   ...createCjsPreset(getTsJestBaseConfig()),
   ...getOtterJestBaseConfig(rootDir),
   ...getJestUnitTestConfig(),
-  setupFilesAfterEnv: ['<rootDir>/testing/setup-jest.ts']
+  setupFilesAfterEnv: ['<rootDir>/testing/setup-jest.ts'],
+  coveragePathIgnorePatterns: [
+    '<rootDir>/dev-resources/',
+    '<rootDir>/training-assets/'
+  ]
 };
diff --git a/codecov.yml b/codecov.yml
index a731428e85..fdb45f70e3 100644
--- a/codecov.yml
+++ b/codecov.yml
@@ -32,11 +32,6 @@ ignore:
   - 'apps/@*/*/build'
 
   # Generated files
-  - 'apps/showcase/dev-resources'
-  - 'apps/showcase/training-assets'
-  - 'packages/@o3r-training/showcase-sdk/src/api'
-  - 'packages/@o3r-training/showcase-sdk/src/models/base'
-  - 'packages/@o3r-training/showcase-sdk/src/spec'
   - 'tools/github-actions/*/packaged-action'
 
   # Templates
diff --git a/packages/@ama-sdk/schematics/migration.json b/packages/@ama-sdk/schematics/migration.json
index 7ab3dc0fc1..c1257502b4 100644
--- a/packages/@ama-sdk/schematics/migration.json
+++ b/packages/@ama-sdk/schematics/migration.json
@@ -30,6 +30,11 @@
       "version": "12.1.3",
       "description": "Updates of @ama-sdk/schematics to v12.1.3",
       "factory": "./schematics/ng-update/index#updateV12_1_3"
+    },
+    "migration-v12_3": {
+      "version": "12.3.0-prerelease.0",
+      "description": "Updates of @ama-sdk/schematics to v12.3.*",
+      "factory": "./schematics/ng-update/index#updateV12_3"
     }
   }
 }
diff --git a/packages/@ama-sdk/schematics/package.json b/packages/@ama-sdk/schematics/package.json
index 33df374a47..72ecc1c219 100644
--- a/packages/@ama-sdk/schematics/package.json
+++ b/packages/@ama-sdk/schematics/package.json
@@ -59,6 +59,9 @@
     },
     "type-fest": {
       "optional": true
+    },
+    "typescript": {
+      "optional": true
     }
   },
   "peerDependencies": {
@@ -71,7 +74,8 @@
     "@openapitools/openapi-generator-cli": "^2.15.0",
     "openapi-types": "^12.0.0",
     "ts-node": "~10.9.2",
-    "type-fest": "^4.30.1"
+    "type-fest": "^4.30.1",
+    "typescript": "^5.5.4"
   },
   "dependencies": {
     "@angular-devkit/core": "~19.2.0",
@@ -146,7 +150,7 @@
     "@swc/cli": "~0.7.0",
     "@swc/core": "~1.11.0",
     "@swc/helpers": "~0.5.0",
-    "@typescript-eslint/eslint-plugin": "~8.30.0",
+    "@typescript-eslint/eslint-plugin": "~8.31.0",
     "jest-junit": "~16.0.0",
     "lint-staged": "^15.0.0",
     "minimist": "^1.2.6",
diff --git a/packages/@ama-sdk/schematics/schematics/ng-update/index.ts b/packages/@ama-sdk/schematics/schematics/ng-update/index.ts
index d04a0597c4..596f2f369f 100644
--- a/packages/@ama-sdk/schematics/schematics/ng-update/index.ts
+++ b/packages/@ama-sdk/schematics/schematics/ng-update/index.ts
@@ -11,6 +11,7 @@ import {
   updateV11_0 as tsUpdateV11_0,
   updateV11_4 as tsUpdateV11_4,
   updateV12_1_3 as tsUpdateV12_1_3,
+  updateV12_3 as tsUpdateV12_3,
 } from './typescript';
 
 /**
@@ -96,3 +97,17 @@ export function updateV12_1_3(): Rule {
     return tree;
   };
 }
+
+/**
+ * update of Otter library V12.3
+ */
+// eslint-disable-next-line @typescript-eslint/naming-convention -- function name contains the version
+export function updateV12_3(): Rule {
+  return (tree, context) => {
+    if (isTypescriptSdk(tree)) {
+      return tsUpdateV12_3()(tree, context);
+    }
+
+    return tree;
+  };
+}
diff --git a/packages/@ama-sdk/schematics/schematics/ng-update/typescript/index.ts b/packages/@ama-sdk/schematics/schematics/ng-update/typescript/index.ts
index ab185c8d8a..768078b6e9 100644
--- a/packages/@ama-sdk/schematics/schematics/ng-update/typescript/index.ts
+++ b/packages/@ama-sdk/schematics/schematics/ng-update/typescript/index.ts
@@ -25,6 +25,9 @@ import {
 import {
   clearPackageJsonExports,
 } from './v12.1/clean-packagejson-exports';
+import {
+  updateJestConfigCoveragePathIgnorePatterns,
+} from './v12.3/coverage-ignore';
 
 /**
  * update of Otter library V10.0
@@ -100,3 +103,15 @@ export function updateV12_1_3(): Rule {
 
   return chain(updateRules);
 }
+
+/**
+ * Update of Ama-sdk library V12.3
+ */
+// eslint-disable-next-line @typescript-eslint/naming-convention -- function name contains the version
+export function updateV12_3(): Rule {
+  const updateRules: Rule[] = [
+    updateJestConfigCoveragePathIgnorePatterns
+  ];
+
+  return chain(updateRules);
+}
diff --git a/packages/@ama-sdk/schematics/schematics/ng-update/typescript/v12.3/coverage-ignore.spec.ts b/packages/@ama-sdk/schematics/schematics/ng-update/typescript/v12.3/coverage-ignore.spec.ts
new file mode 100644
index 0000000000..f95be552cf
--- /dev/null
+++ b/packages/@ama-sdk/schematics/schematics/ng-update/typescript/v12.3/coverage-ignore.spec.ts
@@ -0,0 +1,37 @@
+import {
+  readFileSync,
+} from 'node:fs';
+import {
+  resolve,
+} from 'node:path';
+import {
+  Tree,
+} from '@angular-devkit/schematics';
+import {
+  updateJestConfigCoveragePathIgnorePatterns,
+} from './coverage-ignore';
+
+describe('updateJestConfigCoveragePathIgnorePatterns', () => {
+  const mock = readFileSync(resolve(__dirname, '..', '..', '..', '..', 'testing', 'mocks', 'jest-config', 'mock.jest.config.js'), { encoding: 'utf8' });
+  const resultContent = readFileSync(resolve(__dirname, '..', '..', '..', '..', 'testing', 'mocks', 'jest-config', 'result.jest.config.js'), { encoding: 'utf8' });
+
+  beforeEach(() => {
+    jest.resetModules();
+  });
+
+  test('should not touch other files', async () => {
+    const tree = Tree.empty();
+    tree.create('other.js', mock);
+    await updateJestConfigCoveragePathIgnorePatterns(tree, { logger: { info: jest.fn() } } as any);
+    expect(tree.readText('other.js')).toBe(mock);
+  });
+
+  test('should update jest.config.js', async () => {
+    const tree = Tree.empty();
+    tree.create('jest.config.js', mock);
+    const context = { logger: { info: jest.fn(), warn: jest.fn() } } as any;
+    await updateJestConfigCoveragePathIgnorePatterns(tree, context);
+    expect(context.logger.warn).not.toHaveBeenCalled();
+    expect(tree.readText('jest.config.js')).toBe(resultContent);
+  });
+});
diff --git a/packages/@ama-sdk/schematics/schematics/ng-update/typescript/v12.3/coverage-ignore.ts b/packages/@ama-sdk/schematics/schematics/ng-update/typescript/v12.3/coverage-ignore.ts
new file mode 100644
index 0000000000..cd41179bae
--- /dev/null
+++ b/packages/@ama-sdk/schematics/schematics/ng-update/typescript/v12.3/coverage-ignore.ts
@@ -0,0 +1,83 @@
+import type {
+  Rule,
+} from '@angular-devkit/schematics';
+import * as ts from 'typescript';
+
+const coveragePathIgnorePatterns = [
+  '<rootDir>/src/api/**/*.ts',
+  '<rootDir>/src/models/base/**/*.ts',
+  '<rootDir>/src/spec/api-mock.ts',
+  '<rootDir>/src/spec/operation-adapter.ts'
+];
+
+/**
+ * Update Jest config to ignore coverage of generated path
+ * @param tree
+ * @param context
+ */
+export const updateJestConfigCoveragePathIgnorePatterns: Rule = (tree, context) => {
+  const filePath = 'jest.config.js';
+  if (!tree.exists(filePath)) {
+    context.logger.info(`No ${filePath} found, the coverage ignore pattern won't be added.`);
+    return;
+  }
+
+  const tsSourceFile = ts.createSourceFile(
+    filePath,
+    tree.readText(filePath),
+    ts.ScriptTarget.Latest,
+    true
+  );
+
+  const result = ts.transform(tsSourceFile, [
+    (ctx) => (rootNode) => {
+      const { factory } = ctx;
+      return ts.visitNode(rootNode, (node) => {
+        return ts.visitEachChild(node, (statement) => {
+          if (
+            ts.isExpressionStatement(statement)
+            && ts.isBinaryExpression(statement.expression)
+            && /module\.exports/.test(statement.expression.left.getText(rootNode))
+            && ts.isObjectLiteralExpression(statement.expression.right)
+            && !statement.expression.right.properties.some((prop) => ts.isPropertyAssignment(prop) && prop.name.getText(rootNode) === 'coveragePathIgnorePatterns')
+          ) {
+            return factory.updateExpressionStatement(
+              statement,
+              factory.updateBinaryExpression(statement.expression,
+                statement.expression.left,
+                statement.expression.operatorToken,
+                factory.updateObjectLiteralExpression(statement.expression.right, [
+                  ...statement.expression.right.properties,
+                  factory.createPropertyAssignment('coveragePathIgnorePatterns', factory.createArrayLiteralExpression(
+                    coveragePathIgnorePatterns.map((pattern) => factory.createStringLiteral(pattern, true)),
+                    true
+                  ))
+                ])
+              )
+            );
+          }
+        }, ctx);
+      }) as ts.SourceFile;
+    }
+  ]);
+
+  const transformedSourceFile = result.transformed[0];
+  const printer = ts.createPrinter({
+    removeComments: false,
+    newLine: ts.NewLineKind.LineFeed
+  });
+
+  const content = printer.printFile(transformedSourceFile)
+    .split('\n')
+    // migrate from 4 spaces to 2 spaces indent
+    .map((line) => {
+      const match = line.match(/^ */);
+      const numberSpaces = match ? match[0].length : 0;
+      const newNumber = (numberSpaces - numberSpaces % 2) / 2;
+      return line.replace(/^ */, Array.from({ length: newNumber }).fill(' ').join(''));
+    })
+    .join('\n');
+
+  tree.overwrite(filePath, content);
+  return tree;
+};
diff --git a/packages/@ama-sdk/schematics/schematics/typescript/shell/templates/base/jest.config.js.template b/packages/@ama-sdk/schematics/schematics/typescript/shell/templates/base/jest.config.js.template
index 1c98da915c..2edbd0de94 100644
--- a/packages/@ama-sdk/schematics/schematics/typescript/shell/templates/base/jest.config.js.template
+++ b/packages/@ama-sdk/schematics/schematics/typescript/shell/templates/base/jest.config.js.template
@@ -22,5 +22,11 @@ module.exports = {
         stringifyContentPathRegex: '\\.html$',
       }
     ]
-  }
+  },
+  coveragePathIgnorePatterns: [
+    '<rootDir>/src/api/**/*.ts',
+    '<rootDir>/src/models/base/**/*.ts',
+    '<rootDir>/src/spec/api-mock.ts',
+    '<rootDir>/src/spec/operation-adapter.ts'
+  ]
 };
diff --git a/packages/@ama-sdk/schematics/testing/mocks/jest-config/mock.jest.config.js b/packages/@ama-sdk/schematics/testing/mocks/jest-config/mock.jest.config.js
new file mode 100644
index 0000000000..db425ed2ed
--- /dev/null
+++ b/packages/@ama-sdk/schematics/testing/mocks/jest-config/mock.jest.config.js
@@ -0,0 +1,11 @@
+/** @type {import('ts-jest/dist/types').JestConfigWithTsJest} */
+module.exports = {
+  displayName: require('./package.json').name,
+  preset: 'ts-jest',
+  rootDir: '.',
+  roots: ['<rootDir>/src/'],
+  reporters: [
+    'default',
+    ['jest-junit', { outputDirectory: '<rootDir>/dist-test', suiteName: '<% if (projectName) { %>@<%=projectName%>/<% } %><%=projectPackageName%> unit tests' }]
+  ]
+};
diff --git a/packages/@ama-sdk/schematics/testing/mocks/jest-config/result.jest.config.js b/packages/@ama-sdk/schematics/testing/mocks/jest-config/result.jest.config.js
new file mode 100644
index 0000000000..c50bcd9978
--- /dev/null
+++ b/packages/@ama-sdk/schematics/testing/mocks/jest-config/result.jest.config.js
@@ -0,0 +1,17 @@
+/** @type {import('ts-jest/dist/types').JestConfigWithTsJest} */
+module.exports = {
+  displayName: require('./package.json').name,
+  preset: 'ts-jest',
+  rootDir: '.',
+  roots: ['<rootDir>/src/'],
+  reporters: [
+    'default',
+    ['jest-junit', { outputDirectory: '<rootDir>/dist-test', suiteName: '<% if (projectName) { %>@<%=projectName%>/<% } %><%=projectPackageName%> unit tests' }]
+  ],
+  coveragePathIgnorePatterns: [
+    '<rootDir>/src/api/**/*.ts',
+    '<rootDir>/src/models/base/**/*.ts',
+    '<rootDir>/src/spec/api-mock.ts',
+    '<rootDir>/src/spec/operation-adapter.ts'
+  ]
+};
diff --git a/packages/@o3r-training/showcase-sdk/testing/jest.config.ut.js b/packages/@o3r-training/showcase-sdk/testing/jest.config.ut.js
index 3514638388..96f65b67c7 100644
--- a/packages/@o3r-training/showcase-sdk/testing/jest.config.ut.js
+++ b/packages/@o3r-training/showcase-sdk/testing/jest.config.ut.js
@@ -8,5 +8,11 @@ const rootDir = path.join(__dirname, '..');
 module.exports = {
   ...createDefaultPreset(getTsJestBaseConfig()),
   ...getOtterJestBaseConfig(rootDir),
-  ...getJestUnitTestConfig()
+  ...getJestUnitTestConfig(),
+  coveragePathIgnorePatterns: [
+    '<rootDir>/src/api/**/*.ts',
+    '<rootDir>/src/models/base/**/*.ts',
+    '<rootDir>/src/spec/api-mock.ts',
+    '<rootDir>/src/spec/operation-adapter.ts'
+  ]
 };
diff --git a/packages/@o3r-training/training-sdk/testing/jest.config.ut.js b/packages/@o3r-training/training-sdk/testing/jest.config.ut.js
index 3514638388..96f65b67c7 100644
--- a/packages/@o3r-training/training-sdk/testing/jest.config.ut.js
+++ b/packages/@o3r-training/training-sdk/testing/jest.config.ut.js
@@ -8,5 +8,11 @@ const rootDir = path.join(__dirname, '..');
 module.exports = {
   ...createDefaultPreset(getTsJestBaseConfig()),
   ...getOtterJestBaseConfig(rootDir),
-  ...getJestUnitTestConfig()
+  ...getJestUnitTestConfig(),
+  coveragePathIgnorePatterns: [
+    '<rootDir>/src/api/**/*.ts',
+    '<rootDir>/src/models/base/**/*.ts',
+    '<rootDir>/src/spec/api-mock.ts',
+    '<rootDir>/src/spec/operation-adapter.ts'
+  ]
 };
diff --git a/packages/@o3r/core/package.json b/packages/@o3r/core/package.json
index 90adf6151d..c1947a3191 100644
--- a/packages/@o3r/core/package.json
+++ b/packages/@o3r/core/package.json
@@ -170,8 +170,8 @@
     "@o3r/store-sync": "workspace:^",
     "@stylistic/eslint-plugin": "~3.1.0",
     "@types/jest": "~29.5.2",
-    "@typescript-eslint/eslint-plugin": "~8.30.0",
-    "@typescript-eslint/parser": "~8.30.0",
+    "@typescript-eslint/eslint-plugin": "~8.31.0",
+    "@typescript-eslint/parser": "~8.31.0",
     "angular-eslint": "~19.3.0",
     "cpy-cli": "^5.0.0",
     "eslint": "~9.25.0",
@@ -190,7 +190,7 @@
     "jest-preset-angular": "~14.5.0",
     "jsonc-eslint-parser": "~2.4.0",
     "nx": "~20.8.0",
-    "typescript-eslint": "~8.30.0",
+    "typescript-eslint": "~8.31.0",
     "zone.js": "~0.15.0"
   },
   "engines": {
diff --git a/packages/@o3r/eslint-config-otter/package.json b/packages/@o3r/eslint-config-otter/package.json
index 861dc948b4..926d0014e9 100644
--- a/packages/@o3r/eslint-config-otter/package.json
+++ b/packages/@o3r/eslint-config-otter/package.json
@@ -63,9 +63,9 @@
     "typescript": "^5.5.4"
   },
   "generatorDependencies": {
-    "@typescript-eslint/eslint-plugin": "~8.30.0",
-    "@typescript-eslint/parser": "~8.30.0",
-    "@typescript-eslint/utils": "~8.30.0",
+    "@typescript-eslint/eslint-plugin": "~8.31.0",
+    "@typescript-eslint/parser": "~8.31.0",
+    "@typescript-eslint/utils": "~8.31.0",
     "eslint": "~9.25.0",
     "eslint-plugin-jsdoc": "~50.6.0",
     "eslint-plugin-unicorn": "~56.0.0"
diff --git a/yarn.lock b/yarn.lock
index 4b1b77b4b2..109cb9c0b3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -879,6 +879,7 @@ __metadata:
     openapi-types: ^12.0.0
     ts-node: ~10.9.2
     type-fest: ^4.30.1
+    typescript: ^5.5.4
   peerDependenciesMeta:
     "@ama-sdk/core":
       optional: true
@@ -896,6 +897,8 @@ __metadata:
       optional: true
     type-fest:
       optional: true
+    typescript:
+      optional: true
   bin:
     amasdk-clear-index: ./dist/cli/clear-index.cjs
     amasdk-files-pack: ./dist/cli/files-pack.cjs